Étang de la Grosse Décharge is a Lake located in Lac-Ministuk; Le Fjord-du-Saguenay, Quebec and has an elevation of 204 meters.

• Latitude: 48° 16' 31'' North   (decimal: 48.2752778)
• Longitude: 71° 3' 10'' West   (decimal: -71.0527778)
• Topography Feature Category: Lake
• Geographical Feature: Étang
• Canadian Province/Territory: Quebec
• Elevation: 204 meters
• Location: Lac-Ministuk; Le Fjord-du-Saguenay
• Atlas of Canada Locator Map: Étang de la Grosse Décharge
• GPS Coordinate Locator Map: Étang de la Grosse Décharge Lat/Long